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MR. CHRISTOPHER SEBASTIAN KNOLL M.D.
NPI 1043552870
Pediatrics - Pediatric Critical Care Medicine in Phoenix, AZ

Active since March 19, 2013PECOS Enrolled
1919 E THOMAS RD, PHOENIX, AZ 85016(602) 933-8510 Get Directions Write a Review

NPPES record last updated: May 5, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 5, 2023, Mar 2, 2023, Jan 4, 2023 (3 updates tracked since 2023).

About Mr. Christopher Sebastian Knoll M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. CHRISTOPHER SEBASTIAN KNOLL M.D. (NPI 1043552870) is an individual pediatric critical care medicine provider in Phoenix, Arizona, licensed in Arizona (62862) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043552870
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameMR. CHRISTOPHER SEBASTIAN KNOLLCredential: M.D.
Location Address1919 E THOMAS RDPhoenix, AZ 85016-7710
Mailing Address2108 E Thomas Rd Ste 130Phoenix, AZ 85016-0008 · (602) 933-1813
Phone(602) 933-8510
Sole ProprietorYes
Enumeration DateMarch 19, 2013
Last NPPES UpdateMay 5, 20233 updates tracked since enumeration
NPPES CertifiedMay 5, 2023
✔ NPI 1043552870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in AZ · 62862
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License 62862 (AZ)
Also ListedPediatrics · Pediatric CardiologyTaxonomy 2080P0202X · License 62862 (AZ)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 62862 (AZ)
1919 E THOMAS RD, Phoenix, AZ 85016
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Christopher Sebastian Knoll M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Christopher Knoll reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Phoenix Children's Hospital
Same address
Pediatrics
1919 E THOMAS RD
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 1,416 clinicians in this Medicare group
NPI 1922112044 (602) 933-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TIMUR RAGHIB M.D.
Hospitalist
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0777
MRS. MARIA T ESCOBAR CSP, RD
Dietitian, Registered
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (480) 440-2787
DR. AHMAR HUSAIN MD
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-4660
MRS. SOLEE R COWLEY LCSW
Social Worker (Clinical)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0414
MR. SEAN PATRICK BRADY DO
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-4660
PRIYA PRASHER M.D.
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-1900
DR. AMIT RAJARAM D.O.
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0198
LAURA GARDNER HAMANT
Pediatrics (Pediatric Gastroenterology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-1000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Knoll's NPI number?

The NPI number for Christopher Knoll is 1043552870. It was assigned to this individual provider in the NPPES registry on March 19, 2013.

Where is Christopher Knoll located?

Christopher Knoll practices at 1919 E Thomas Rd, Phoenix, AZ 85016. The listed phone number is (602) 933-8510.

What is Christopher Knoll's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Christopher Knoll enrolled in Medicare?

Yes. Christopher Knoll is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Christopher Knoll's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Knoll reassigns Medicare benefits to Phoenix Children's Hospital (Phoenix, AZ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christopher Knoll's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Christopher Knoll was last updated on May 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.